Question

Give one example of doberiener's traid. write the limitations of doberiener traid

Answer 1

Answer:

lithium,sodium and potassium

Explanation:

limitation

Dobereiner could find only three triads; . i.e total of 9 elements only.

Answer 2

example :-

lithium

sodium

pottasium

limitations :-

he could only form 3 sets of triads

not all elements were able to fit in his classification

hope the answer helps